One of them is + pool, a water filtration system that permits floating swimming pools to be embedded in urban rivers, and which has taken a crucial step closer to fruition.

其中一个就是+ Pool，这是一种水过滤系统，令游泳池能够漂浮在城市里的河流中。此项目已经向着大功告成迈出关键一步。

youdao

For instance, in Colombia, improved urban sanitation has resulted in untreated wastewater flowing into rivers.

例如，哥伦比亚卫生设施的改善使得废水在未经处理的情况下流入河流。

youdao

Port Harcourt, capital of Rivers state, is the urban hub of the Niger Delta, where the creeks contain the bulk of Nigeria's vast oil and gas reserves, the biggest in Africa.

作为河州首府，哈科特港位于尼日利亚三角洲的中心。此地的河流孕润着尼日利亚丰富的油气储备——这也是非洲最大的油气储备。

youdao

Timber-cutting was blamed for a while, but most commercial tree farms have more fish in their rivers than in those of urban areas.

ECONOMIST: Cities and the environment

The steps get heavier and the speed increases until listeners are drawn into the movement of the rivers and the mills, the frenetic pace of an urban center in constant motion.

NPR: Time For Three: Beyond Classical